Patent US3230474A successfully refreshed from Google Patents.
US3230474A
Expired / Lapsed
US
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Solid state laser and pumping means therefor using a light condensing system
Assignee: Individual
•
Filing: 1962-02-16
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Granted: 1966-01-18
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 Paul H Keck
- 👤 Max J Keck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:09
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A SOLID STATE LASER THE COMBINATION WHICH COMPRISES: (A) A LASER ROD HAVING PARALLEL END FACES ONE OF WHICH IS WHOLLY LIGHT-REFLECTIVE AND THE OTHER OF WHICH IS PARTIALLY LIGHT-REFLECTIVE, (B) AN OPAQUE SHELL SURROUNDING SAID ROD HAVING WALL SURFACES FACING SAID ROD OF HIGH REFLECTIVITY WITH A FIRST OPENING THERETHROUGH ALIGNED WITH THE PARTIALLY REFLECTIVE END OF SAID ROD AND A SECOND OPENING THERETHROUGH, (C) A LIGHT SOURCE, (D) A CONDENSING SYSTEM DISPOSED BETWEEN SAID LIGHT SOURCE AND SAID SECOND OPENING FOR CONNECTING AND DIRECTING LIGHT FLUX INTO SAID SHELL THROUGH SAID SECOND OPENING WHEREBY SAID FLUX IS RETAINED IN SAID SHELL FOR ABSORPTION BY SAID ROD, AND (E) A DENSE TRANSPARENT MEDIUM FILLING THE SPACE BETWEEN THE LASER ROD AND SHELL.
Claim 2
Dependent Claim
124 words
IN A SOLID STATE LASER THE COMBINATION WHICH COMPRISES: (A) A LASER ROD HAVING PARALLEL END FACES ONE OF WHICH IS WHOLLY LIGHT-REFLECTIVE AND THE OTHER OF WHICH IS PARTIALLY LIGHT-REFLECTIVE, (B) AN OPAQUE SHELL SURROUNDING SAID ROD HAVING WALL SURFACES FACING SAID ROD OF HIGH REFLECTIVITY WITH A FIRST OPENING THERETHROUGH ALIGNED WITH THE PARTIALLY REFLECTIVE END OF SAID ROD AND A SECOND OPENING THERETHROUGH, (C) A LIGHT SOURCE, (D) A CONDENSING SYSTEM DISPOSED BETWEEN SAID LIGHT SOURCE AND SAID SECOND OPENING FOR CONNECTING AND DIRECTING LIGHT FLUX INTO SAID SHELL THROUGH SAID SECOND OPENING WHEREBY SAID FLUX IS RETAINED IN SAID SHELL FOR ABSORPTION BY SAID ROD, AND (E) A DENSE TRANSPARENT MEDIUM FILLING THE SPACE BETWEEN THE LASER ROD AND SHELL.
References Cited (Backward Citations)
US2913665A
Cited
US3087374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |